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687 results for “Central Mexico”
FIG. 1 in Lichen community assemblages and functional traits as indicators of vegetation types in central Mexico, based on herbarium specimens
FIG. 1. — Amplitude and mean values of alpha diversity (species richness) per vegetation type. Symbols: black dot, outlier; white dots, mean values.
FIG. 6 in Lichen community assemblages and functional traits as indicators of vegetation types in central Mexico, based on herbarium specimens
FIG. 6. — Correlation of lichen community functional traits and environmental variables in three vegetation types.
FIG. 2 in Lichen community assemblages and functional traits as indicators of vegetation types in central Mexico, based on herbarium specimens
FIG. 2. — Beta diversity and shared species per vegetation type: A, pairwise comparisons of the different elements of beta diversity (Xerophytic, xerophytic shrubland; Quercus, Quercus forest; Subtropical, subtropical shrubland); B, Venn diagram showing exclusive and shared species among the vegetation types included in this study.
Species delimitation in the symphyotrichum subulatum group (Asteraceae) reveals a new species in central Mexico
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FIGURE 13. Oocyclus substillus n in A revision of Oocyclus Sharp of Mexico and Central America (Coleoptera: Hydrophilidae)
FIGURE 13. Oocyclus substillus n. sp. holotype. Dorsal and lateral habitus.
FIGURE 8 in A revision of Oocyclus Sharp of Mexico and Central America (Coleoptera: Hydrophilidae)
FIGURE 8. Oocyclus maculatus Sharp holotype. Dorsal and lateral habitus.
FIGURE 10. Oocyclus muscus n in A revision of Oocyclus Sharp of Mexico and Central America (Coleoptera: Hydrophilidae)
FIGURE 10. Oocyclus muscus n. sp. holotype. Dorsal and lateral habitus.
FIGURE 7. Oocyclus grandis n in A revision of Oocyclus Sharp of Mexico and Central America (Coleoptera: Hydrophilidae)
FIGURE 7. Oocyclus grandis n. sp. holotype. Ventral habitus.
FIGURE 5. Oocyclus funestus n in A revision of Oocyclus Sharp of Mexico and Central America (Coleoptera: Hydrophilidae)
FIGURE 5. Oocyclus funestus n. sp. holotype. Ventral habitus.
FIGURE 4. Oocyclus funestus n in A revision of Oocyclus Sharp of Mexico and Central America (Coleoptera: Hydrophilidae)
FIGURE 4. Oocyclus funestus n. sp. holotype. Dorsal and lateral habitus.
FIGURE 1 in A revision of Oocyclus Sharp of Mexico and Central America (Coleoptera: Hydrophilidae)
FIGURE 1. Oocyclus brevicornis Sharp lectotype. Dorsal and lateral habitus.
FIGURE 6. Oocyclus grandis n in A revision of Oocyclus Sharp of Mexico and Central America (Coleoptera: Hydrophilidae)
FIGURE 6. Oocyclus grandis n. sp. holotype. Dorsal and lateral habitus.
FIGURE 2. Oocyclus catarata n in A revision of Oocyclus Sharp of Mexico and Central America (Coleoptera: Hydrophilidae)
FIGURE 2. Oocyclus catarata n. sp. holotype. Dorsal and lateral habitus.
FIGURE 9 in A revision of Oocyclus Sharp of Mexico and Central America (Coleoptera: Hydrophilidae)
FIGURE 9. Oocyclus maculatus Sharp (specimen from Panama). Dorsal and lateral habitus.
FIGURE 3. Oocyclus catarata n in A revision of Oocyclus Sharp of Mexico and Central America (Coleoptera: Hydrophilidae)
FIGURE 3. Oocyclus catarata n. sp. holotype. Ventral habitus.
FIGURE 12. Oocyclus sharpi n in A revision of Oocyclus Sharp of Mexico and Central America (Coleoptera: Hydrophilidae)
FIGURE 12. Oocyclus sharpi n sp. holotype. Dorsal and lateral habitus.
FIGURE 15 in A revision of Oocyclus Sharp of Mexico and Central America (Coleoptera: Hydrophilidae)
FIGURE 15. Oocyclus vestitus Sharp holotype. Dorsal and lateral habitus.
FIGURE 14. Oocyclus tapanti n in A revision of Oocyclus Sharp of Mexico and Central America (Coleoptera: Hydrophilidae)
FIGURE 14. Oocyclus tapanti n. sp. holotype. Dorsal and lateral habitus.
FIGURE 11. Oocyclus ornatus n in A revision of Oocyclus Sharp of Mexico and Central America (Coleoptera: Hydrophilidae)
FIGURE 11. Oocyclus ornatus n. sp. holotype. Dorsal and lateral habitus.
Status of World Soil Resources - Southern Mexico, Central America and the Caribbean
<h1>Status of World Soil Resource - Southern Mexico, Central America and the Caribbean</h1> <h2>Supplementary dataset of the chapter published by FAO</h2> <h3>Authors:</h3> <p>- Luis Felipe Castelblanco Rivera, master student in Earth Science at Geosciences Center, UNAM.</p> <p>- Mario Antonio Guevara Santamaría, associate professor at Geosciences Center, UNAM campus Juriquilla </p> <h3>.</h3> <h3>More information:</h3> <p>- lcastelblancor@geociencias.unam.mx / lfcastelblancor@unal.edu.co</p> <p>- mguevara@geociencias.unam.mx / mguevara@comunidad.unam.mx</p> <h3>Abstract:</h3> <p>This chapter thoroughly examines soil threats and trends in Southern Mexico*, Central America, and the Caribbean, emphasizing their implications for sustainable land management. Through a comprehensive analysis of available data and literature, the study identifies erosion patterns, soil carbon changes, soil biodiversity indicators, nutrient mismanagement, salinization, sodification, and soil moisture decline as prominent concerns. Erosion is a significant issue, exacerbated by bare soil conditions, coastal erosion due to rising sea levels, and wind erosion influenced by land use and vegetation cover. Soil carbon changes exhibit both sequestration and loss patterns, particularly impacting agricultural soils, while soil biodiversity's role in nutrient cycling underscores the need for enhanced preservation efforts. Nutrient mismanagement, exemplified by fertilizer consumption trends and efficiency, underscores the importance of informed decision-making in optimizing soil fertility. In response to human activities, soil salinization and sodification significantly threaten agricultural sustainability, particularly across coastal areas. Soil moisture decline, linked to land use intensification and extreme climate events, further exacerbates soil degradation risks. The chapter concludes by advocating for comprehensive soil monitoring and management strategies to address these threats, which are crucial for safeguarding soil health, preserving ecosystem services, and ensuring long-term food security in the region.</p> <p>*We refer to the Southern Mexico to the geographical area occupied by the states: Quintana Roo, Tabasco, Veracruz, Yucatán, Oaxaca, Puebla, Guerrero, Chiapas and Campeche within the following minimum and maximum coordinates: 14.53 to 22.47 Lat, -102.18 to -86.71 Long</p> <h3>Folder description:</h3> <p>> SoWSR_SMx_CA_Crb.7z<br> > extent<br> - Extent_AOI_Union.shp #Country boundaries<br> - Modis_CLC.shp #Corine Land Cover from MODIS<br> - WRBpol.shp #Most probable soil type using WRB classification<br> - Extent_level3.shp #Intersection of previous Shapes<br> > level3 #This folder contains the data frame results of calculating zonal statistics from the rasters.<br> - Bare_1km_km2_ZonalStats.csv <br> - CIC_0-30cm_ZonalStats.csv <br> - CN_ratio_SoilGrids_null_ZonalStats.csv <br> - GSOCmap1.5.0_ZonalStats.csv <br> - GSOCseq_absolute_ZonalStats.csv <br> - GSOCseq_RSR_SSM1_Map030_ZonalStats.csv<br> - level3_merged.csv<br> - N_0-30cm_ZonalStats.csv<br> - Rs_slope_sig_negative_ZonalStats.csv<br> - Rs_slope_sig_positive_ZonalStats.csv<br> - Salinidad_problema_ZonalStats.csv<br> - SM_slope_negative_ZonalStats.csv<br> - SM_slope_positive1_ZonalStats.csv<br> - SOC_slope_negative_ZonalStats.csv<br> - SOC_slope_positive1_ZonalStats.csv<br> - SOCDensity_0_30cm_ZonalStats.csv<br> > rasters<br> - Bare_1km_km2.tif #Bare soil percent per square kilometer<br> - CIC_0-30cm.tif #Cation exchange capacity in mmolc/kg<br> - CN_ratio_SoilGrids_null #Carbon:Nitrogen ratio from the report of SoilGrids<br> - GSOCmap1.5.0.tif #Stock of global soil carbon reported by FAO <br> - GSOCseq_absolute.tif #Product of the difference between initial stock of GSOCmap and Final Stock SSM1 from FAO <br> - GSOCseq_RSR_SSM1_Map030.tif #Relative Sequestration Rates SSM1 from FAO<br> - N_0-30cm #Soil nitrogen content in cg/kg<br> - Rs_slope_sig_negative.tif #Heterotrofic respiration negative trend<br> - Rs_slope_sig_positive.tif #Heterotrofic respiration positive trend<br> - Salinidad_problema.tif #Areas with salinity (>3 ds/m) from https://doi.org/10.1016/j.rse.2019.111260<br> - SM_slope_negative.tif #Soil moisture negative trend from https://doi.org/10.5194/essd-14-4473-2022<br> - SM_slope_positive1.tif #Soil moisture positive trend from https://doi.org/10.5194/essd-14-4473-2022<br> - SOC_slope_negative.tif #Soil organic carbon negative trend from https://doi.org/10.5067/3K9F0S1Q5J2U<br> - SOC_slope_positive1.tif #Soil organic carbon positive trend from https://doi.org/10.5067/3K9F0S1Q5J2U</p> <p> >Heterotrophic_respiration_info<br> - XY_PRACTICAS.csv: Coordinates of places where sustainable soil management exists thanks to FAO-ITPS 2020. Protocol for the assessment of Sustainable Soil Management. Rome, FAO<br> - Rs_DESCRIP.pdf Supplementary Information SI1. Description of Rs database. </p> <p> - DB_final.xlsx #Data base with the information extract from de raster to build the quantitative data presented in the chapter<br> - ZonalStat_for_prl.py #Python script to process the zonal statictis of the rasters using the extent (Shapes) to obtain the data frames (CSV) in folder level3.</p>
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International Brain Laboratory public data
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OpenNeuro
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